Home / 243,730.54-336,334.19-134,828.38

Finding the Fourth Proportional to 243,730.54, 336,334.19 and 134,828.38

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Solution

The fourth proportional to 243,730.54, 336,334.19 and 134,828.38 is: 186,055.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,730.54 : 336,334.19 = 134,828.38 : x
  2. Step 2: Convert to fraction form
    243,730.54/336,334.19 = 134,828.38/x
  3. Step 3: Cross multiply
    243,730.54x = 336,334.19 × 134,828.38
  4. Step 4: Simplify right side
    243,730.54x = 45,347,393,976.31
  5. Step 5: Solve for x
    x = 45,347,393,976.31/243,730.54
  6. Step 6: Final answer
    x = 186,055.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.